Nut-lock.



J. H. P

APPLIOATIO ED NOV. 10, 1910.

Patented June 3, 1913.

2 8HEETS-SHBET i.

;, J. H. PISOR.

' NUT LOOK.

APPLIUATIOH TILED NOV. 10, 1910.

1,063,211 I Patented June 3, 1913. j 2 sums-sum 2.

M "Z1. 24 g,

. SULQGB H. 'EISOR, F LIIVI'NGSTOIN', MONTANA, ASSIGNOR 01E 0NE-HALF T0 fE-IENRY J.

'- WALCGTT, 91 LIVINGSTON, MDNTANA.

NUT-LOCK.

g n 'gg g Specification of Letters some.

application filed November 19, 1910. Serial No. 591,612.

a cell whom it may concern 35s it known that l, Jaooe H. Bison, a citizen of the United rebates, residing at Livingston, in the county of Park, State of iidonivana, have invented certain new and useful Improvements in Nut-Locks; and I do hereby declare the following to be a full, clear, and exact description of the invention, such will enable others skilled in the art to which it'appcrtains to make and use the same.

This invention relates to bolis and nuts and has special reference to a means for holding; anus. in proper position on a bolt- 2 when the saiiie is applied thereto.

for use connection with devices of this characi'er.

A second obieoi. of the invention is toprovide a novel form of cotter pin for use in connection with devices of this character.

ii ith above and other objects in view 5 the invenifiion or isis in general of certain novel details of construction and combina dons of hereinafter fully described, iiinstraiied in ihe accompanying drawings and speoiicaiiy set iforith in the ciaiins.

in the accompanying drawings, like characiers of refcrene indicate like parts in the several views. and Figiire 1 is a secoional view through a pair of plates bolted together, the bolt being provided with she mproved washer and cotter pin, Fig. '2 is view shoii'og one face of an improved washer con i acted in accordance with this invention, Fig. 3 an edge view of the improved device, Fig. is a modified form of washer viewei'i from one face, Fig. 5 is an edge view 1 the modified form shown in Fig. i, Fig. 6 i a farther modification of the washer, Fig. 7 edge view of the modification shown in 6, Fig. 8 is a view of the under side of a niliv as prepared for use with eiiher oi the forms of washer, Fig. 9 is a view o; cotter pin.

Refer-rice oariicularly to Fig. 1 there is izherein il d apair of plates 1% provided with s hie bolt-receiving openings 11- One of so plates provided also with one or IIiQio depressions 12 formed adiacent the respeciive' bolt-receiving opening. ugh the openi gs ext-ends a bolt 13 Wiliilil screwed a not 14: having deressions 15 on cede-niece similar in shape to the depressions in the plates. This bolt is also provided with cotter pin openings or holes 16. i

The washer used in connection with the invention is indicated in general at 17 and in each instance this Washer is of the usual annular form and made from a sheet metal plate having a substantial degree of resiliency.-

In the form of washer illustrated in A 2 and 3 the washer is-cni by means of a radial slit. 18 and a second slit 19 arranged at an angle to the radial slit so thata tongue 20 is provided which is partially severed.v

' from the mateinalof ihe body ofthe washer. The principal object of the invent on is to provide a novel form oi looking washer On this tongue 20 is a projection 21 which extends toward the out when the device is applied .while from the opposite face oi fisheboth extending from the same face. Other projections 27 are arranged. to extend from the opposite face. It will he noted that the two tongues are arranged at right angles to each other.

In the form shown in Figs. 6 and 'i' iherc are provided two tongues 28 and the washer is slit clean ihrough as shown at 30, one edge of the portion adjacent said siii; being beveled off as at 31. The tongues and body of the washer adjacent the slitare provided with projections 32 extending from one side or face of the washer while similar projcc Patented t-ions 33 extend from the opposite side or face thereof.

The cotter pin comprises the usual eye 3% -from which extends a pair of legs substantially semi -circular in cross section 35 one of which is bent adjacent its extremity as 36, the bend being arranged with its (3031- caved' side facing the remaining or straight leg so the there is formed a projection on the cotter pin intermediate its end. This cotter pin is used in the ordinary msncner the legs being normally sprung-apart by the resiliency oi ihe metal forming she pin so that when the pin is inserted in the pin hole the legs will collapse to permit the passage of the cotter pin through the hole and it will move in this collapsed position until after the projection has passed through the hole when the legs will spring apart so that the projection forms a lock to prevent accidental disengagement of the cotter pin from the pin hole.

In use the washer is placed beneath the nut and the latter screwed up. The tongues will yield during the screwing-up of the nut 'so that the projections can slip in and outof the recesses in the underface of the nut until the desired tension has been placed upon the bolt. 'When this is the case the screwing up process is stopped and the bolt will remain in positionwithout fear of dislodgment and especially since the cotter pin is inserted immediately after screwing up the nut.

There has thus been provided a simple and efiicient device of the kind described and for the purpose specified.

What is claimed is 1. In a nut lock, in combination, a Washer comprising an annular body of resilient sheet metal having a radial slot extending partially through the annulus and a second slot disposed at an angle to the first and communicating therewith to form a tongue, said tongue curved upwardly and provided with a semi-globular projection on its upper surface, said body formed with a radial slittherethrough, one end of the body adjacent the slit being curved upwardly and alsotongue curved upwardly, a semi-globular" projection formed on the upper surface of the tongue, the body member formed with a radial slit, an end of the body member ad- 4 jacent the slit being curved upwardly and provided on its upper surface with a semiglobular projection, the other end of the body being cut off at an angle to the radial slit and the resultant edge beveled, a nut fin-med with semi-globular recesses in its under surface for engaging the projections on the washer and thus locking the nut against rotation.

In testimony whereof, I afiix my signature, in presence of two witnesses.

JACOB H. PISOR. \Vitnesses HENRY J. 'W'oLcor'r, JOHN A. CARLSON.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

Washington, D. O. 

